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ABSTRACT PLANT extracts have been tested for insecticide and juvenile hormone1 activity and some have been found with anti-juvenile hormone activity2. We have suggested3,4 that an essential

oil of _Acorus calamus_ L. inhibits interstitial cell activity; this would represent a new concept in insect chemosterilisation. We report here the identification of the component of the oil

that is responsible for that inhibition; we have also established the importance of substitute groups and a side chain by testing various allyl benzene analogues. Access through your

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2022 REFERENCES * Jacobson, M., Redfern, R. E. & Mills, G. D., Jr _Lloydia_ 38, 455–474 (1975). CAS  PubMed  Google Scholar  * Bowers, W. S., Ohta, T., Cleere, J. S. & Marsella, P.

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Regional Research Laboratory (CSIR), Jammu, Tawi—180001, India BHASKAR P. SAXENA, OPENDER KOUL, K. TIKKU & C. K. ATAL Authors * BHASKAR P. SAXENA View author publications You can also

search for this author inPubMed Google Scholar * OPENDER KOUL View author publications You can also search for this author inPubMed Google Scholar * K. TIKKU View author publications You can

also search for this author inPubMed Google Scholar * C. K. ATAL View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and

permissions ABOUT THIS ARTICLE CITE THIS ARTICLE SAXENA, B., KOUL, O., TIKKU, K. _et al._ A new insect chemosterilant isolated from _Acorus calamus_ L.. _Nature_ 270, 512–513 (1977).

https://doi.org/10.1038/270512a0 Download citation * Received: 14 June 1977 * Accepted: 12 October 1977 * Issue Date: 08 December 1977 * DOI: https://doi.org/10.1038/270512a0 SHARE THIS

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